这是一个图形化界面的操作系统功能演示程序.包括进程,内存和设备管理-This is a graphical interface to the operating system demonstration program. Including the process, memory and device management

JPEG文件编/解码详解,里面是详细的编码过程，方便大家理解记忆。-JPEG file encoding/decoding Xiang Jie, which is detailed in the encoding process so as to facilitate understanding of memory.

演示利用回调方式，实现连续循环采集图像到内存，并转换成RGB 24位格式位图。 在回调函数中，实现对采集数据的处理和显示。-It demonstrates the use of the callback method to achieve continuous cycle capture images to memory, and converted into RGB 24-bit format bitmaps. In the callback function, to achieve